58 lines
1.3 KiB
GLSL
58 lines
1.3 KiB
GLSL
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// Copyright 2020 Google LLC
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struct VSInput
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{
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[[vk::location(0)]] float3 Pos : POSITION0;
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[[vk::location(1)]] float3 Normal : NORMAL0;
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[[vk::location(2)]] float3 Color : COLOR0;
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};
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struct UBO
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{
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float4x4 projection;
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float4x4 view;
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float4x4 model;
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};
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cbuffer ubo : register(b0) { UBO ubo; }
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struct Node
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{
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float4x4 transform;
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};
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cbuffer NodeBuf : register(b0, space1) { Node node; }
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struct PushConstant
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{
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float4 baseColorFactor;
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};
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[[vk::push_constant]] PushConstant material;
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struct VSOutput
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{
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float4 Pos : SV_POSITION;
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[[vk::location(0)]] float3 Normal : NORMAL0;
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[[vk::location(1)]] float3 Color : COLOR0;
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[[vk::location(2)]] float3 ViewVec : TEXCOORD1;
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[[vk::location(3)]] float3 LightVec : TEXCOORD2;
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};
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VSOutput main(VSInput input)
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{
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VSOutput output = (VSOutput)0;
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output.Normal = input.Normal;
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output.Color = material.baseColorFactor.rgb;
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float4 pos = float4(input.Pos, 1.0);
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output.Pos = mul(ubo.projection, mul(ubo.view, mul(ubo.model, mul(node.transform, pos))));
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output.Normal = mul((float4x3)mul(ubo.view, mul(ubo.model, node.transform)), input.Normal).xyz;
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float4 localpos = mul(ubo.view, mul(ubo.model, mul(node.transform, pos)));
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float3 lightPos = float3(10.0f, -10.0f, 10.0f);
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output.LightVec = lightPos.xyz - localpos.xyz;
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output.ViewVec = -localpos.xyz;
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return output;
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}
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